(1) (-3/4根号2)²(2)(根号3)²-(-根号5)²-2(根号2)²
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/17 21:39:09
![(1) (-3/4根号2)²(2)(根号3)²-(-根号5)²-2(根号2)²](/uploads/image/z/4335523-43-3.jpg?t=%EF%BC%881%EF%BC%89+%EF%BC%88-3%2F4%E6%A0%B9%E5%8F%B72%EF%BC%89%26%23178%3B%EF%BC%882%EF%BC%89%28%E6%A0%B9%E5%8F%B73%29%26%23178%3B-%EF%BC%88-%E6%A0%B9%E5%8F%B75%29%26%23178%3B-2%EF%BC%88%E6%A0%B9%E5%8F%B72%EF%BC%89%26%23178%3B)
x){N kolΧۍ"jʆ@aG"n :u$klWl5,
4l--/ƺ
FZF ef_\g
col"
(1) (-3/4根号2)²(2)(根号3)²-(-根号5)²-2(根号2)²
(1) (-3/4根号2)²
(2)(根号3)²-(-根号5)²-2(根号2)²
(1) (-3/4根号2)²(2)(根号3)²-(-根号5)²-2(根号2)²
(1) (-3/4根号2)²=(9/16)*2=9/8
(2)(根号3)²-(-根号5)²-2(根号2)²
=3- 5- 2*2
=-2-4
=-6
9/32 -6